w w ap eP m e tr .X w om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education 0610/11 BIOLOGY Paper 1 Multiple Choice October/November 2011 45 minutes Additional Materials: *5868903410* Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. This document consists of 16 printed pages. IB11 11_0610_11/6RP © UCLES 2011 [Turn over 2 1 Which characteristic of living organisms is described by the following definition? ‘The ability to detect changes in the environment and make responses’. 2 3 A excretion B movement C respiration D sensitivity What is the correct order of arthropod groups, from those with most legs to those with fewest legs? A arachnids → crustaceans → insects → myriapods B crustaceans → myriapods → insects → arachnids C insects → arachnids → myriapods → crustaceans D myriapods → crustaceans → arachnids → insects Which animal is an annelid? 1 has legs .............................................. go to 2 has no legs ......................................... go to 3 2 has six legs......................................... organism A has eight legs ..................................... organism B 3 has a shell .......................................... organism C has no shell ........................................ organism D 4 Root hair cells are found on plant roots. Which feature would be present in a root hair cell but not a sperm cell? A cell membrane B cell wall C chloroplasts D cytoplasm © UCLES 2011 0610/11/O/N/11 3 5 6 Which structure is found in a palisade cell but not in a liver cell? A cell membrane B central vacuole C cytoplasm D nucleus Which cell shows the position of the nucleus correctly? A 7 C D What are the levels of organisation of • • 8 B the wall of a villus, the small intestine? wall of a villus small intestine A cell organ B cell organ system C tissue organ D tissue organ system Phloem is an example of A a cell. B a tissue. C an organ. D an organ system. © UCLES 2011 0610/11/O/N/11 [Turn over 4 9 The diagram shows a fetus attached by the placenta to the uterus wall of the mother. fetus placenta uterus wall By which process do all substances pass between the fetus and the mother in the placenta? A diffusion B nutrition C osmosis D respiration 10 What happens in osmosis? A movement of solute molecules against their concentration gradient B movement of solute molecules down their concentration gradient C movement of water molecules against their concentration gradient D movement of water molecules down their concentration gradient 11 A human digestive enzyme breaks down its substrate at a fast rate at 35 °C. What would occur if the enzyme and substrate were kept at 75 °C? A The enzyme would stop working and be denatured. B The reaction would continue at the same rate. C The reaction would take place more quickly. D The reaction would take place more slowly. © UCLES 2011 0610/11/O/N/11 5 12 The diagram shows the action of amylase. amylase part of a starch molecule What is the function of the enzyme amylase? A breaks down the substrate into amino acids B changes the product into the substrate C increases the rate of starch breaking down into glucose D increases the rate of starch breaking down into maltose 13 Which is an incisor tooth? B C A D 14 Small molecules are used as the basic units in the synthesis of large food molecules. Which statement is correct? A Amino acids are basic units of carbohydrates. B Fatty acids are basic units of glycogen. C Glycerol is a basic unit of oils. D Simple sugar is a basic unit of protein. © UCLES 2011 0610/11/O/N/11 [Turn over 6 15 The roots of plants take up nitrates from the soil. What are the nitrates used to make? A fat B glucose C protein D starch 16 Dietary fibre passes through several structures after leaving the stomach. In which order does the dietary fibre pass through these structures? A duodenum → ileum → colon → rectum B duodenum → ileum → rectum → colon C ileum → duodenum → colon → rectum D ileum → duodenum → rectum → colon 17 In what form does a plant absorb and lose water? absorbs loses A liquid liquid B liquid vapour C vapour liquid D vapour vapour © UCLES 2011 0610/11/O/N/11 7 18 The diagram shows a plant shoot and the same shoot six hours later. plant shoot same shoot six hours later Which change in environmental conditions could cause this change in the appearance of the shoot? A a decrease in available water B a decrease in light intensity C a decrease in wind speed D an increase in humidity 19 An experiment is set up to investigate the uptake of oxygen by germinating seeds. water bath at 25 °C soda lime absorbs carbon dioxide germinating seeds dead seeds rinsed in antiseptic X Y coloured water coloured water What happens to the levels at X and Y? X Y A falls rises B falls unchanged C rises falls D rises unchanged © UCLES 2011 0610/11/O/N/11 [Turn over 8 20 Which group contains substances that are all carried in the blood? A amino acids, carbon dioxide and cellulose B glucose, glycogen and lactic acid C oestrogen, oxygen and starch D salts, testosterone and urea 21 Which process does not release carbon dioxide to the atmosphere? A decomposition of animals B photosynthesis of plants C respiration of animals D respiration of plants 22 Which materials are excreted by kidneys and lungs? kidneys lungs A carbon dioxide carbon dioxide B carbon dioxide urea C urea carbon dioxide D urea urea 23 The graph shows the variation in a person’s body temperature over a period of time. Which temperature change is likely to cause most sweating? increase in body temperature B C normal body temperature time D decrease in body temperature © UCLES 2011 A 0610/11/O/N/11 9 24 The diagram shows a germinated bean seed with a horizontal radicle. This is placed on a slowly rotating disc and is left for three days. electric motor slowly rotating disc radicle bean seed Which diagram shows the appearance of the radicle after three days? A B C D 25 Which type of cells do all sense organs contain? A ciliated B effector C mesophyll D receptor © UCLES 2011 0610/11/O/N/11 [Turn over 10 26 The diagram shows the early growth of a green plant. What is occurring? mitosis development A key B = occurs C = does not occur D 27 The diagram shows a neurone. Y X Which structures could be found at X and Y? X Y A brain intestine B brain leg C eye hand D skin spinal cord © UCLES 2011 0610/11/O/N/11 11 28 The diagram shows a potato tuber that developed from the stem of a parent potato plant. Three shoots are starting to grow from the tuber. shoot tuber How do the genotypes of the shoots compare with the genotypes of the tuber and of the parent? A They are all different. B They are all identical. C The shoots are identical to each other, but are different from the tuber and the parent. D The shoots are identical to the tuber, but are different from the parent. 29 The diagram shows the male reproductive system. X What is the tube labelled X? A rectum B sperm duct (vas deferens) C ureter D urethra © UCLES 2011 0610/11/O/N/11 [Turn over 12 30 Which is not growth of an organism? A increase in dry mass B increase in the number of cells C permanent increase in size D swelling by absorbing water 31 What are the chromosomes for the two sexes in human beings? female male A XX XY B XX YY C XY XX D YY XY 32 The colour of a mouse’s fur is controlled by a single pair of alleles. A mouse with black fur was crossed with a mouse with white fur. All the offspring had black fur. What would be the most likely ratio in several litters of offspring if two of these black offspring were crossed? black fur white fur A 1 3 B 2 2 C 3 1 D 4 0 © UCLES 2011 0610/11/O/N/11 13 33 The diagram shows a food web. At which level does energy from the Sun enter the food web? A seal octopus B gulls crab starfish C winkles limpets D green algae seaweed 34 The diagram gives a simplified scheme for energy flow through an ecosystem. 3 1 producers 3 2 consumers Which processes do the labelled arrows represent? 1 2 3 A feeding photosynthesis respiration B feeding respiration photosynthesis C photosynthesis feeding respiration D photosynthesis respiration feeding 35 The food chain shows the number of animals relying on two bushes for their survival. At which step in the food chain do the organisms have the greatest amount of energy? A B C D 2 bushes with several thousand leaves 150 snails 10 small birds 2 hawks © UCLES 2011 0610/11/O/N/11 [Turn over 14 36 The diagram shows the carbon cycle. Which process produces carbon dioxide from substances made by photosynthesis millions of years ago? carbon dioxide dissolved in seas and lakes carbon dioxide gas in the air A B C D carbon compounds in decaying organisms coal and oil carbon compounds in plants carbon compounds in animals 37 The diagram shows part of the carbon cycle. atmosphere 1 2 plants 4 3 animals Which numbers represent excretion? A 1 and 2 © UCLES 2011 B 1 and 4 C 2 and 3 0610/11/O/N/11 D 3 and 4 15 38 The graph shows the rate of growth for a population of herbivores. Which is the exponential (log) phase in the growth of this population? D C number of herbivores B A time 39 The diagram shows four places on a river, where water samples were taken. untreated sewage outlet X direction of flow W Z Y Which graph shows oxygen concentrations in the river? A B oxygen concentration oxygen concentration W X Y W Z C Y Z Y Z D oxygen concentration oxygen concentration W © UCLES 2011 X X Y Z 0610/11/O/N/11 W X [Turn over 16 40 Different pesticides were tested to see how poisonous they were to fish. Scientists found the concentration of pesticide that killed 50 % of the fish within four days. The table shows the results of the tests. pesticide concentration that killed 50 % of the fish / p.p.m. DDT 0.03 dieldrin 0.01 malathion 12.20 parathion 2.11 Which pesticide was the most dangerous to the fish? A DDT B dieldrin C malathion D parathion Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. © UCLES 2011 0610/11/O/N/11